OHCHIDACE.E. (ORCIIIS FAMILY.) 463 



1G. GOODYERA, R. Brown. Rattlesnake Plantain. 



Sepals and petals nearly equal, the two lateral sepalB inclnding the base of the 

 sessile lip, the upper one connivent with the petals. Lip concave or sac-like, 

 contracted above the middle into a recurved and channelled point Anther at- 

 tached to the dorsal apex of the short and free column. Pollen-masses 2, entire, 

 powdery. — Stems leafy or scape-like, from a slender creeping rootstock, bearing 

 a spike of small white flowers. 



* Stem scape-like, bracted: lij> spurless: column manifest: anther round, beakless, 

 radical leaves clustered. 



1 - G. pubescens, R. Brown. Scape pubescent ; radical leaves thick, ovate, 

 discolored and reticulated above, contracted into a spreading petiole ; spike lan- 

 ceolate, densely many-flowered, pubescent ; bracts lanceolate ; sepals and petals 

 roundish ; lip sac-like, ending in a short, ovate point ; stigma rounded. — 1 )eep 

 shady woods, Florida, and northward. August. — Scape 1° high. Leaves 'i' 

 long. Spike 2' -4' long. 



2. G. repens, R. Brown. Low ; scape slender, pubescent ; radical leaves 

 ovate or oblong-ovate, reticulated ; spike slender, loosely few-flowered, 1-sided or 

 somewhat spiral; bracts linear-lanceolate; lip sac-like, ending in an oblong 

 point ; stigma 2-toothed. — Shady woods, on the mountains of North Carolina, 

 and northward. August. — Scape 5' — 8' high. Leaves 1' long. 



* * Stem leafy: Up. spurred : column inconspicuous: anther ovate, beaked. 



3. G. quercicola, Lindl. Stem ascending ; leaves thin, ovate or oblong- 

 ovate, acute, on slender petioles, which are dilated, membranaceous, and sheath- 

 ing at the base ; spike short, oblong, densely flowered ; bracts searious, oblong- 

 ovate, mostly shorter than the flowers; sepals and petals oblong, obtuse; lip 

 concave, ending in a broadly-ovate acuminate and recurved point ; spur pouch- 

 like, shorter than the ovary ; stigma 2-lobed. — Low shady woods, Florida, and 

 westward. August. — Plant tender, 6'- 12' high. Leaves and spike 1' long. 



17. LISTERA, R. Brown. 



Sepals and petals alike, spreading or reflexed. Lip longer than the sepals, 

 2-cleft. Column short. Stigma with a rounded beak. Anther ovate, attached 

 to the dorsal summit of the column. Pollen-masses 2, powdery. — Stems low, 

 from clustered fibres, bearing two opposite sessile leaves, and a loose raceme of 

 small greenish flowers. 



1. L. australis, Lindl. Leaves ovate or oblong-ovate, closely sessile ; 

 raceme smoothish, few - several-flowered ; bracts minute; lip linear, 3-4 times 

 as long as the sepals, deeply 2-cleft, the divisions filiform ; column very short. — 

 Wet shady woods, Florida, and northward. July. — Stem 4' -8' high. Leaves 

 i'-l'long. 



2. L. COnvallarioides, Hook. Leaves broadly cordate or roundish; 

 raceme pubescent, few-flowered ; bracts half as long as the pedicels ; lip oblong- 

 obovate, 2-lobed at the apex, and 2-toothed at the base, twice as long as the se- 



